hypopyon

hy·po·py·on

hypopyon

/hy·po·py·on/ (hi-po´pe-on) pus in the anterior chamber of the eye.

hypopyon

[hīpō′pē·on]

Etymology: Gk, hypo + pyon, pus

the presence of leukocytes and an accumulation of pus in the anterior chamber of an eye, which appears as a whitish or gray fluid between the cornea and the iris. It may occur as a complication of a penetrating wound to the eye, conjunctivitis, herpetic keratitis, or corneal ulcer.

Hypopyon

hy·po·py·on

(hī-pō'pē-on)

The presence of visibly layered leukocytes in the anterior chamber of the eye.

[hypo- + G. pyon, pus]

hypopyon

A layer of pus cells in the aqueous humour at the bottom of the front chamber of the eye, immediately behind the CORNEA. Hypopyon does not necessarily signify intraocular infection (ENDOPHTHALMITIS) but is often the result of sterile inflammation as in UVEITIS.

Hypopyon

A small amount of pus or collection of white cells that is visible in the front of the eye in severe cases of anterior uveitis.

hypopyon

The presence of pus in the anterior chamber of the eye associated with infectious diseases of the cornea (e.g. severe microbial keratitis, corneal ulcer), the iris or the ciliary body (e.g. severe anterior uveitis). The pus usually accumulates at the bottom of the chamber and may be seen through the cornea. Seehypopyon keratitis; Behçet's syndrome.

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